package zuoye4;

abstract class MilkTea {
    public void Preparemilkandtea(){
        System.out.println("1.准备牛奶和茶叶");
    }
    abstract void Addingredients();

    public void packagedmilktea(){
        System.out.println("3.封闭打包奶茶");
    }
    public final void MakeMinkTea(){
        Preparemilkandtea();
        Addingredients();
        packagedmilktea();
    }





}